2932 Heterocyclic compounds with oxygen hetero-atom[s] only

2932 (01/1988-..) Heterocyclic compounds with oxygen hetero-atom[s] only 29321100 (01/1988-..) Tetrahydrofuran 29321200 (01/1988-..) 2-Furaldehyde `furfuraldehyde` 29321300 (01/1988-..) Furfuryl alcohol and tetrahydrofurfuryl alcohol 29321400 (01/2017-..) Sucralose 29321900 (01/1988-12/2016) Heterocyclic compounds with oxygen hetero-atom[s] only, containing an unfused furan ring, whether or not hydrogenated, in the structure (excl. tetrahydrofuran, 2-furaldehyde `furfuraldehyde`, furfuryl alcohol and tetrahydrofurfuryl alcohol) 29322010 (01/2012-..) Phenolphthalein, 1-Hydroxy-4-[1-(4-hydroxy-3-methoxycarbonyl-1-naphthyl)-3-oxo-1H,3H-benzo[de]isochromen-1-yl]-6-octadecyloxy-2-naphthoic acid, 3?-Chloro-6?-cyclohexylaminospiro[isobenzofuran-1(3H),9?-xanthen]-3-one, 6?-(N-Ethyl-p-toluidino)-2?-methylspiro[isobenzofuran-1(3H),9?-xanthen]-3-one, Methyl-6-docosyloxy-1-hydroxy-4-[1-(4-hydroxy-3-methyl-1-phenanthryl)-3-oxo-1H,3H-naphtho[1,8-cd]pyran-1-yl]naphthalene-2-carboxylate 29322020 (01/2012-..) gamma-Butyrolactone 29322090 (01/2012-..) Lactones (excl. gamma-Butyrolactone, Phenolphthalein, 1-Hydroxy-4-[1-(4-hydroxy-3-methoxycarbonyl-1-naphthyl)-3-oxo-1H,3H-benzo[de]isochromen-1-yl]-6-octadecyloxy-2-naphthoic acid, 3?-Chloro-6?-cyclohexylaminospiro[isobenzofuran-1(3H),9?-xanthen]-3-one, 6?-(N-Ethyl-p-toluidino)-2?-methylspiro[isobenzofuran-1(3H),9?-xanthen]-3-one, Methyl-6-docosyloxy-1-hydroxy-4-[1-(4-hydroxy-3-methyl-1-phenanthryl)-3-oxo-1H,3H-naphtho[1,8-cd]pyran-1-yl]naphthalene-2-carboxylate) 29322100 (01/1988-12/2011) Coumarin, methylcoumarins and ethylcoumarins 29322910 (01/1988-12/2011) Phenolphthalein 29322920 (01/1997-12/2011) 1-Hydroxy-4-[1-`4-hydroxy-3-methoxycarbonyl-1-naphthyl`-3-oxo-1H, 3H-benzo[de]isochromen-1-yl]-6-octadecyloxy-2-naphthoic acid 29322930 (01/1997-12/2011) 3'-Chloro-6'-cyclohexylaminospiro[isobenzofuran-1`3H`, 9'-xanthen]-3-one 29322940 (01/1997-12/2011) 6'-`N-Ethyl-p-toluidino`-2'-methylspiro[isobenzofuran-1`3H`, 9'-xanthen]-3-one 29322950 (01/1997-12/2011) Methyl-6-docosyloxy-1-hydroxy-4-[1-`4-hydroxy-3-methyl-1-phenanthryl`-3-oxo-1H, 3H-naphtho[1,8-cd]pyran-1-yl]naphthalene-2-carboxylate 29322960 (01/2006-12/2011) gamma-Butyrolactone 29322980 (01/1997-12/2005) Lactones (excl. coumarin, methylcoumarins, ethylcoumarins, phenolphthalein, 1-hydroxy-4-[1-`4-hydroxy-3-methoxycarbonyl-1-naphthyl`-3-oxo-1H, 3H-benzo[de]isochromen-1-yl]-6-octadecyloxy-2-naphthoic acid, 3'-chloro-6'-cyclohexylaminospiro[isobenzofuran-1`3H`, 9'-xanthen]-3-one, 6'-`N-ethyl-p-toluidino`-2'-methylspiro[isobenzofuran-1`3H`, 9'-xanthen]-3-one and methyl-6-docosyloxy-1-hydroxy-4-[1-`4-hydroxy-3-methyl-1-phenanthryl`-3-oxo-1H, 3H-naphtho[1,8-cd]pyran-1-yl]naphthalene-2-carboxylate) 29322985 (01/2006-12/2006) Lactones (excl. coumarin, methylcoumarins, ethylcoumarins, phenolphthalein, 1-hydroxy-4-[1-`4-hydroxy-3-methoxycarbonyl-1-naphthyl`-3-oxo-1H, 3H-benzo[de]isochromen-1-yl]-6-octadecyloxy-2-naphthoic acid, 3'-chloro-6'-cyclohexylaminospiro[isobenzofuran-1`3H`, 9'-xanthen]-3-one, 6'-`N-ethyl-p-toluidino`-2'-methylspiro[isobenzofuran-1`3H`, 9'-xanthen]-3-one, methyl-6-docosyloxy-1-hydroxy-4-[1-`4-hydroxy-3-methyl-1-phenanthryl`-3-oxo-1H, 3H-naphtho[1,8-cd]pyran-1-yl]naphthalene-2-carboxylate and gamma-butyrolactone) 29322990 (01/1988-12/1996) Lactones (excl. coumarin, methylcoumarins, ethylcoumarins and phenolphthalein) 29329010 (01/1988-12/1995) Benzofuran `coumarone` 29329030 (01/1988-12/1995) Internal ethers 29329050 (01/1988-12/1995) Epoxides with a four-membered ring 29329070 (01/1988-12/1991) Cyclic acetals and internal hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives 29329071 (01/1992-12/1995) Safrole 29329073 (01/1992-12/1995) Isosafrole 29329075 (01/1992-12/1995) Piperonal 29329077 (01/1992-12/1995) 3,4-Methylenedioxphyenylpropan-2-one 29329079 (01/1992-12/1995) Acetals, cyclic, and internal hemiacetals, whether or not with other oxygen functions, and their halogenated, sulphonated, nitrated or nitrosated derivatives (excl. safrole, isosafrole, piperonal and 3,4-Methylenedioxphyenylpropan-2-one) 29329090 (01/1988-12/1995) Heterocyclic compounds with oxygen hetero-atom(s) only (excl. compounds containing an unfused furan ring, whether or not hydrogenated, in the structure, lactones, benzofuran `coumarone`, internal ethers, epoxides with a four-membered ring, and cyclic acetals and internal hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives) 29329100 (01/1996-..) Isosafrole 29329200 (01/1996-..) 1-`1,3-Benzodioxol-5-yl`propan-2-one 29329300 (01/1996-..) Piperonal 29329400 (01/1996-..) Safrole 29329500 (01/2002-..) Tetrahydrocannabinols `all isomers` 29329600 (01/2022-..) Carbofuran `ISO` 29329900 (01/2009-12/2021) Heterocyclic compounds with oxygen hetero-atom[s] only (excl. compounds containing unfused furan ring, whether or not hydrogenated, in the structure, and lactones, isosafrole, 1-[1,3-benzodioxol-5-yl]propan-2-one, piperonal, safrole, tetrahydrocannabinols `all isomers`, and inorganic or organic compounds of mercury) 29329910 (01/1996-12/2003) Benzofuran `coumarone` 29329930 (01/1996-12/1998) Internal ethers 29329950 (01/1996-12/2008) Epoxides with a four-membered ring 29329970 (01/1996-12/2008) Acetals, cyclic, and internal hemiacetals, whether or not with other oxygen functions, and their halogenated, sulphonated, nitrated or nitrosated derivatives (excl. safrole, isosafrole, piperonal and 1-`1,3-benzodioxol-5-yl`propane-2-one) 29329980 (01/1999-12/2001) Heterocyclic compounds with oxygen hetero-atom[s] only (excl. compounds containing an unfused furan ring, whether or not hydrogenated, in the structure, lactones, benzofuran `coumarone`, epoxides with a four-membered ring, and cyclic acetals and internal hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives) 29329985 (01/2004-12/2006) Heterocyclic compounds with oxygen hetero-atom[s] only (excl. compounds containing an unfused furan ring, whether or not hydrogenated, in the structure, lactones, isosafrole, 1-[1,3-benzodioxol-5-yl]propan-2-one, piperonal, safrole, tetrahydrocannabinols `all isomers`, epoxides with a four-membered ring, and cyclic acetals and internal hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives) 29329990 (01/1996-12/1998) Heterocyclic compounds with oxygen hetero-atom[s] only (excl. compounds containing an unfused furan ring, whether or not hydrogenated, in the structure, lactones, benzofuran `coumarone`, internal ethers, epoxides with a four-membered ring, and cyclic acetals and internal hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives) 29329995 (01/2002-12/2003) Heterocyclic compounds with oxygen hetero-atom[s] only (excl. compounds containing an unfused furan ring, whether or not hydrogenated, in the structure, lactones, isosafrole, 1-[1,3-benzodioxol-5-yl]propan-2-one, piperonal, safrole, tetrahydrocannabinols `all isomers`, benzofuran `coumarone`, epoxides with a four-membered ring, and cyclic acetals and internal hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives)